Outcomes-Agreement with weighed record

Setting-Practice nurse treatment room in a single suburban general practice.

Subjects-Patients with risk factors for cardiovascular disease (n=61) or age/sex stratified general population group (n=50).

Results

Brief self completion dietary assessment tools based on food groups eaten during a week show reasonable agreement with the relative standard.

For% energy from fat and saturated fat, non-starch polysaccharide, grams of fruit and vegetables and starchy foods consumed the range of agreement with the standard was : median% difference - 6% to 12%, rank correlation 0.5 to 0.6. This agreement is ofa similar order to the reliability of the weighed record, as good as or better than test standard agreement for more time consuming instruments, and compares favourably with research instruments validated in other settings. (...)